2019年mpa考试英语真题——动词的时态306

{01}— Ann is in hospital.
— Oh, really? I _____ know, I _____ go and visit her.
A.didn"t; am going to
B.don"t; would
C.don"t; will
D.didn"t; will
解析：
本题选D。

{02}— This returned scientist has become one of the top experts in his field. 
— Yes, I know him very well. He once _____ in South America with wild animals for eight years.
A.has worked
B.worked
C.had worked
D.has been working
解析：
本题选B。